Revision of Tier 4 Phase-in Schedule for Light-Duty and Medium-Duty Vehicles

35 organizations filed 51 public comments on Revision of Tier 4 Phase-in Schedule for Light-Duty and Medium-Duty Vehicles, at the Environmental Protection Agency. The comment window closed 22d ago.

Abstract

The U.S. Environmental Protection Agency (EPA) is proposing to extend the Tier 3 criteria pollutant standards for vehicles up to 6,000 pounds gross vehicle weight rating into model years (MYs) 2027 and 2028, and to delay the start of the phase-in of the Tier 4 criteria pollutant standards until MY 2029.

Commenters (35)

• Natural Resources Defense Council (NRDC)trade assoc.

  7 filings · confidence 97%
• International Council on Clean Transportationtrade assoc.

  4 filings · confidence 85%
• Alliance for Automotive Innovationtrade assoc.

  3 filings · confidence 97%
• Manufacturers of Emission Controls Associationtrade assoc.

  3 filings · confidence 85%
• Big Creek Motorsports LLCunverified attribution

  2 filings · confidence 70%
• Environmental Protection Network (EPN)trade assoc.

  2 filings · confidence 97%
• Mass comment campaign sponsored by National Religious Partnership for the Environmenttrade assoc.

  2 filings · confidence 85%
• Alliance for Clean Vehicle Technologytrade assoc.

  1 filing · confidence 85%
• Alliance of Nurses for Healthy Environmentstrade assoc.

  1 filing · confidence 85%
• American Consumer Institutetrade assoc.

  1 filing · confidence 85%
• American Enterprise Institutetrade assoc.

  1 filing · confidence 85%
• American Petroleum Institutetrade assoc.

  1 filing · confidence 97%
• CZV Inc.unverified attribution

  1 filing · confidence 70%
• Damstrong LLCunverified attribution

  1 filing · confidence 70%
• Environmental Defense Fundtrade assoc.

  1 filing · confidence 97%
• FCA US LLC (a subsidiary of Stellantis N.V.)unverified attribution

  1 filing · confidence 70%
• Ford Motor Companyunverified attribution

  1 filing · confidence 70%
• General Motors LLCunverified attribution

  1 filing · confidence 70%
• Ingevity Corporationunverified attribution

  1 filing · confidence 70%
• Institute for Policy Integrity at New York University School of Lawtrade assoc.

  1 filing · confidence 85%
• Kia Corporationunverified attribution

  1 filing · confidence 70%
• Mass comment campaign sponsored by American Lung Associationtrade assoc.

  1 filing · confidence 85%
• National Association of Clean Air Agenciestrade assoc.

  1 filing · confidence 85%
• National Association of Manufacturers (NAM)trade assoc.

  1 filing · confidence 97%
• National Automobile Dealers Associationtrade assoc.

  1 filing · confidence 97%
• National Parks Conservation Associationtrade assoc.

  1 filing · confidence 85%
• Performance Parts Group LLCunverified attribution

  1 filing · confidence 70%
• Prime Mover Institutetrade assoc.

  1 filing · confidence 85%
• Southern Environmental Law Center (SELC)

  1 filing · confidence 97%
• The Vehicle Suppliers Associationtrade assoc.

  1 filing · confidence 85%
• Truck and Engine Manufacturers Associationtrade assoc.

  1 filing · confidence 85%
• U-Haul Holding Companyunverified attribution

  1 filing · confidence 70%
• U.S. Chamber of Commerce

  1 filing · confidence 97%
• Union of Concerned Scientistsunverified attribution

  1 filing · confidence 70%
• Zero Emission Transportation Associationtrade assoc.

  1 filing · confidence 85%